Improvements in or relating to the mounting of indirectly heated cathodes for electron discharge tubes,申请号GB19450021307-传众专利搜索

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发明名称	Improvements in or relating to the mounting of indirectly heated cathodes for electron discharge tubes
摘要
申请公布号	GB597470(A)	申请公布日期	1948.01.27
申请号	GB19450021307	申请日期	1945.08.21
申请人	PHILIPS LAMPS LIMITED	发明人
分类号	H01J1/26	主分类号	H01J1/26
代理机构		代理人
主权项
地址

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